On the Change History tab, you can view the modification records of the parameters of a tenant. The information includes the parameter name, value before and after change of each parameter, the time when a parameter is modified, and the operation user.
Procedure
Log on to OCP. By default, the Cluster Overview page appears.
In the left-side navigation pane, click Tenants .
In the Tenants section of the Tenant Overview page, click name of the tenant that you want to view.
In the left-side navigation pane of the page that appears, click Parameter Management .
Click the Change History tab.
You can filter parameters by specifying Date of Modification or Parameter Name .
The Parameter Name field supports fuzzy match.

In the search results, view the history of parameter changes.